Tag: tappet
In Case You Missed It
Design Process: Slipstream Effects
In preliminary design and for performance calculations, we treat the engine, propeller and airframe...
Changing a Perfectly Good Airplane
Designing and building a modified RANS S-9, part 2. By Michael Ryer and John Wells.
![Aircraft in flight [Credit: Jim Barrett]](https://www.kitplanes.com/wp-content/uploads/2026/01/httpswww.flyingmag.comsitesflyin-6.jpg?w=324&h=160&crop=1 "Firecrown’s Aviation Group Charts Course for 2026; Ryan Ewing Named Group President")
Firecrown’s Aviation Group Charts Course for 2026; Ryan Ewing Named Group President
Brand refreshes, new digital platforms, and expanded editorial investments follow a transitional year for the company’s aviation portfolio.
